Accessory Digestive Organs Flashcards
Three pairs of salivary glands empty their secretions into the mouth: (3)
- Parotid gland
- Submandibular glands
- Small sublingual glands
Glands that lie interior to the ears
Parotid glands
The inflammation of the parotid glands
Mumps
What 2 glands empty their secretions into the floor of the mouth through tiny ducts? (2)
- Submandibular
- Sublingual
The product of the salivary glands, a mixture of __ and serous fluids (2)
- Saliva
- mucous
The food mucus moistens and helps to bind together into a mass called a:
bolus
Bolus makes __ and __ easier (2)
- chewing
- swallowing
The clear serous portion contains this enzyme, which begins the breakdown of __ in the mouth (2)
- Salivary amylase
- carbohydrates
Saliva also contains substances such as __ and __ (2)
- lysozyme
- antibodies
Substances in saliva (lysozyme and antibodies) inhibit bacteria giving it a __ function
protective
Saliva __ food chemicals so food can be tasted
dissolves
Teeth are used to __, done by opening and closing the jaw and moving the lower jaw from __ to __ while continually using the __ to move the food between our teeth (3)
- masticate
- side to side
- tongue
In the process, the teeth __ and __ the food, breaking it down into __ fragments (3)
- tear
- grind
- smaller
Usually by age 21, __ sets of teeth have formed
two
First set (baby teeth)
Deciduous teeth
Deciduous teeth begin to erupt around __ months of age and a baby has a full set of __ teeth by age __ years (3)
- 6
- 20
- 2
Deciduous teeth begin to have their roots __, and deeper permanent teeth and enlarging and __ (2)
- reabsorbed
- developing
Between the ages of __ and __, the deciduous teeth loosen and __ __ (3)
- 6
- 12
- fall out
All of the permanent, except the __ molars, have erupted by the end of __ (2)
- third
- adolescence
The third molars, also called the __ teeth, emerge later, between the ages of __ and __ (3)
- wisdom
- 17 and 25
There are __ permanent teeth in the adult mouth
32
Sixteen on the __ arch and sixteen on the __ arch (2)
- maxillary
- mandibular
In a number of cases, the 3rd molars fail to erupt, become__, or erupt at an angle that can cause __ to the teeth. When this happens, the wisdom teeth are usually __ (3)
- impacted
- harm
- extracted
Teeth are classified by__ : __ are adapted for cutting, __ are for tearing or piercing
- shape
- incisors
- canines
__ - bicuspids, and __ : have broad crowns and rounded cusps (tips), are best suited for grinding (2)
- Premolars
- molars
The tooth consists of two major regions: the __ and the __ (2)
- crown
- root
The enamel covered art that is exposed about the gingival (__) (2)
- Enamel
- gum
The hardest substance in the body
enamel
Embedded in the jawbone
root
Covers the outer surface of the root, attaches the tooth to the __ membrane (ligament) (2)
- cementum
- periodontal
The periodontal ligament holds the tooth in place in the boney __
jaw
Bone-like material, underlies the enamel, forms the bulk of the tooth, surrounds the central pulp cavity
dentin
Pulp cavity contains: connective __, Blood __, and nerve __, collectively called __ (4)
- tissue
- vessels
- endings
- pulp
Supplies nutriends to the tooth tissues, provides for tooth sensations
pulp
__ __ - where the pulp cavity extends into the root, provides a rout for __ __ and __, other pulp __ to enter the pulp cavity of the tooth (4)
- Root canal
- Blood vessels
- Nerves
- structures
